... timer 1.display hour,minute,seconds 2.programmable Normal clock,stopwatch, count up,countdown 3. size:70*18.5cm ... 0~95% relative humidity;The clock has normal clock, countdown, count up, interval, stopwatch functions,The clock can ... store 8 programs of countdown, count up, or interval.Remote works with 2 AA batteries. The Clock ... not operate the display) 4.0inch 6 digit countdown stopwatch timer